document.write( "Question 1190333: From the top of a lighthouse 60m high, a boat with an angle of depression of 37° If the boat travels linearly 35m towards the tower. What is the new angle of
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document.write( " elevation? \n" );
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Algebra.Com's Answer #821954 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! From the top of a lighthouse 60m high, a boat with an angle of depression of 37° If the boat travels linearly 35m towards the tower. What is the new angle of \n" ); document.write( " elevation? \n" ); document.write( "------------------- \n" ); document.write( "tan(37) = 60/d where d is the distance from the base of the lighthouse to the boat. \n" ); document.write( "d = 60/tan(37) = ~ 79.62 meters \n" ); document.write( "----- \n" ); document.write( "After moving 35 meters, \n" ); document.write( "tan(A) = 60/(79.62-35) \n" ); document.write( "A = ~ 53.36 degs, the angle of depression from the lighthouse, not angle of elevation. \n" ); document.write( " |